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Here's the secret to easy pairing (and not covered in the instructions): Before anything else, pair the lock with your hub. Here's the reason. These locks require "secure" pairing with the hub and that requires a stronger than usual signal from the hub. If you wait until lock is installed, signal may be strong enough to pair but not to securely pair. This leads, as I learned from sorry experience, to squirrelly behavior. Took a very knowledgable tech person from my z-wave hub manufacturer to figure this out and had to look at some fairly obscure hub data to see lock was paired but not securely paired.. So, the details of how to do the "first thing" pairing. Grab the smart end of the lock (the piece that goes inside the door) out of the box. Pull off the shiny plastic decorative cover to reveal the battery holder and programming buttons (not to be confused with the pin-entering buttons on the lock component that goes outside the door). Pull out the battery holder, insert 4 AA's, and reinsert the battery holder. (Make sure arrows at top of battery holder point toward where the door will eventually be located.) Now lay the lock component, programming button side up, right next to your hub. Let them touch, why not. Put your hub in Inclusion mode (your hub instructions will explain how). ONLY THEN, put the lock component in Z-Wave inclusion mode by pushing the upper left "A" button once (For ZigBee instead of Z-wave, check directions buried in middle of installation instructions; on my model, I push the upper right "A" button 4 times.) Leave that third button, bottom center, alone: you will use it later to program pin codes to operate the lock manually. Hub should then quickly find and include your lock. Have yet to have this fail. Now, pick up the instructions that came with the lock and start the physical installation. Your lock has been paired even if you pull out batteries during installation, wait a couple of days, or whatever. Over the years, I have put in more than a half dozen of these in two houses, two different hubs. So, I obviously like them. But there have been many hours of trying to include them, exclude them to try again to include, do factory resets, and such. Until I learned the preceding trick. Now, I can change out an old bolt lock and put in the new one in 10 minutes.